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Problems with low-temperature clinkers

Journal Article · · J. Appl. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:5422719
; ;
In the cement industry, there are real problems connected with reducing the fuel/energy consumption and producing high-strength and rapid setting cements. A series of physicochemical examinations and pilot plant trials have shown that the use of BaSO/sub 4/ + CaSO/sub 4/ as a compound additive (barium-containing waste + gypsum) makes it possible to prepare a belite clinker at a temperature of 1250/sup 0/C; the BaSO/sub 4/ + CaSO/sub 4/ additive stabilizes the dicalcium silicate in the ..cap alpha..'-modification; introduction of the compound additive into the belite raw material mixture leads to the formation of hydraulically active minerals in the clinker-calcium sulfoaluminate, monocalcium aluminate, and ..cap alpha..'-C/sub 2/S, which in combination with alite ensure that a high-activity belite clinker is obtained at low burning temperatures.
OSTI ID:
5422719
Journal Information:
J. Appl. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Appl. Chem. USSR (Engl. Transl.); (United States) Vol. 60:2; ISSN JAPUA
Country of Publication:
United States
Language:
English

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320302 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Materials
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
36 MATERIALS SCIENCE
360603 -- Materials-- Properties
ADDITIVES
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM SULFATES
BUILDING MATERIALS
CALCIUM COMPOUNDS
CALCIUM SULFATES
CEMENT INDUSTRY
CEMENTS
COHERENT SCATTERING
COMBUSTION PROPERTIES
CRYSTAL-PHASE TRANSFORMATIONS
DIFFRACTION
ENERGY CONSERVATION
GYPSUM
HEAT TREATMENTS
HYDRATION
INDUSTRY
MANAGEMENT
MATERIALS
MATERIALS RECOVERY
MATERIALS TESTING
MINERALS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PROCESSING
RECOVERY
SCATTERING
SOLVATION
STABILIZATION
SULFATE MINERALS
SULFATES
SULFUR COMPOUNDS
TEMPERATURE EFFECTS
TESTING
WASTE MANAGEMENT
WASTE PROCESSING
WASTE PRODUCT UTILIZATION
X-RAY DIFFRACTION